253676487 has 8 divisors (see below), whose sum is σ = 338646640. Its totient is φ = 168912000.

The previous prime is 253676417. The next prime is 253676557. The reversal of 253676487 is 784676352.

It is an interprime number because it is at equal distance from previous prime (253676417) and next prime (253676557).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253676487 - 2⁸ = 253676231 is a prime.

It is a super-2 number, since 2×253676487² = 128703520113322338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253676417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48514 + ... + 53487.

It is an arithmetic number, because the mean of its divisors is an integer number (42330830).

Almost surely, 2^253676487 is an apocalyptic number.

253676487 is a deficient number, since it is larger than the sum of its proper divisors (84970153).

253676487 is a wasteful number, since it uses less digits than its factorization.

253676487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102833.

The product of its digits is 1693440, while the sum is 48.

The square root of 253676487 is about 15927.2247111667. The cubic root of 253676487 is about 633.0335654007.

The spelling of 253676487 in words is "two hundred fifty-three million, six hundred seventy-six thousand, four hundred eighty-seven".